142573 has 2 divisors, whose sum is σ = 142574. Its totient is φ = 142572.

The previous prime is 142567. The next prime is 142589. The reversal of 142573 is 375241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110889 + 31684 = 333^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 142573 - 2⁹ = 142061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71286 + 71287.

It is an arithmetic number, because the mean of its divisors is an integer number (71287).

2¹⁴²⁵⁷³ is an apocalyptic number.

It is an amenable number.

142573 is a deficient number, since it is larger than the sum of its proper divisors (1).

142573 is an equidigital number, since it uses as much as digits as its factorization.

142573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 22.

The square root of 142573 is about 377.5884002456. The cubic root of 142573 is about 52.2411140006.

The spelling of 142573 in words is "one hundred forty-two thousand, five hundred seventy-three".